Abstract
The lack of adoption of a DNS-based geographic location service as proposed in RFC 1876 has lead to the deployment of alternative ways to locate Internet hosts. The two main alternatives rely either on active probing of individual hosts or on doing exhaustive tabulation of IP address ranges and their corresponding locations. Using active measurements, we show that the geographic span of blocks of IP addresses make their location difficult to choose. Using the single location for a block of IP addresses as an estimation of the location of its IP addresses leads to significant localization errors, whatever the choice made for the location of the block. Even using as the location of a block the one that minimizes the global localization error for all its IP addresses leads to large errors. The notion of the geographic span of a block of IP addresses is fuzzy, and depends in practice very much on the uncertainty associated to the location estimates of its IP addresses.
Keywords
- geolocation
- active measurements
- exhaustive tabulation
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© 2007 Springer Berlin Heidelberg
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Gueye, B., Uhlig, S., Fdida, S. (2007). Investigating the Imprecision of IP Block-Based Geolocation. In: Uhlig, S., Papagiannaki, K., Bonaventure, O. (eds) Passive and Active Network Measurement. PAM 2007. Lecture Notes in Computer Science, vol 4427. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-71617-4_26
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DOI: https://doi.org/10.1007/978-3-540-71617-4_26
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-71616-7
Online ISBN: 978-3-540-71617-4
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